Final answer:
The song "Happy Days Are Here Again" was used as the campaign song for Franklin Roosevelt's 1932 presidential campaign, symbolizing hope during the Great Depression and aligning with his New Deal policies.
Step-by-step explanation:
The campaign song "Happy Days Are Here Again" is famously associated with Franklin Roosevelt's 1932 presidential campaign. It was a time when the United States was in the midst of the Great Depression, and such optimistic songs were a form of escapism for the public. Franklin Roosevelt used this song to convey a message of hope and renewal, suggesting that his policies would bring prosperity back to America. The song's popularity during the Depression was a testament to its effectiveness in uplifting public morale and its successful integration into Roosevelt's campaign strategy, which also focused on appealing to the same voters who had supported the New Deal coalition.